PLATE 96. 



1-5. Parasalenia Pohlii Pfeff. 



1. Head and neck of tridentate pedicellaria. X 70. 



2. Globiferous pedicellaria. X 70. 



3. Globiferous pedicellaria with evident glands on the valves. X 70. 



4. Valve of globiferous pedicellaria. X 70. 



5. Side view of tip of same. X 70. 



6-12. Echinometra picta A. Ag. and Cl. 



6. Valve of globiferous pedicellaria. X 70. 



7. Side view of same. X 70. 



8. Valve of slender tridentate pedicellaria. X 70. 



9. Side view of tip of same. X 70. 



10. Blade of valve of stout tridentate pedicellaria. X 70. 



11. Valve of ophicephalous pedicellaria. X 70. 



12. Valve of triphyllous pedicellaria. X 70. 



13-15. Echinometra insularis, sp. nov. 



13. Abactinal secondary spines. X 10. 



14. Side view of valve of globiferous pedicellaria. X 70. 



15. Valve of tridentate pedicellaria. X 70. 



16, 17. Caenocentrotus gibbosus, comb. nov. 



16. Valve of globiferous pedicellaria. X 70. 



17. Side view of tip of same. X 70. 



18-22. Heliocidaris stenopora, nom. nov. 



18. Valve of globiferous pedicellaria. X 70. 



19. Side view of tip of same. X 70. 



20. Valve of ophicephalous pedicellaria. X 70. 



21. Valve of tridentate pedicellaria. X 70. 



22. Valve of triphyllous pedicellaria. X 70. 



23, 24. Echinostrephus aciculatus A. Ag. 



23. Globiferous pedicellaria. X 70. 



24. Side view of tip of a valve of globiferous pedicellaria with a lateral tooth on each side. 



X 70. 





